| Abbreviation | Definition |
|---|---|
| ANRC | Adithyaa Neuromuscloskeletal Rehabilitation Center |
| AORD | Alsalam Organisation for Rehabilitation Development |
| AOSPRM | Asia Oceania Society of Physical and Rehabilitation Medicine |
| AOSPRM | Asia Oceanian Society of Physical and Rehabilitation Medicine |
| APRC | Advanced Physiotherapy Rehabilitation Center |
| AQTIS | All quiet time is special' |
| ARA | Alcohol Rehabilitation Association |
| ARBI | Association for the Rehabilitation of the Brain Injured |
| ARC | Ashcroft Rehabilitation Center |
| ARCA | American Rehabilitation Counseling |
| ARCA | American Rehabilitation Counseling Association |
| ARCH | Advice Rehabilitation Counselling and Health |
| ARD | Accelerated Rehabilitation Disposition |
| ARM | American Rehabilitation Ministry |
| AROC | Australasian Rehabilitation Outcomes Centre |
| ARRC | Advanced Recovery Rehabilitation Center |
| ARRC | Alaska Rural Rehabilitation Corporation |
| ARS | Arkansas Rehabilitation Services |
| ARTC | Athletic Rehabilitation Therapy Certified |
| ARTI | Athletic Rehabilitation Therapy Ireland |